FACTOID # 21: 15% of Army recruits from South Dakota are Native American, which is roughly the same percentage for female Army recruits in the state.
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Encyclopedia > August Ferdinand Möbius

August Ferdinand Möbius (November 17, 1790, Schulpforta, Saxony, Germany - September 26, 1868, Leipzig) was a German mathematician and theoretical astronomer. November 17 is also the name of a Marxist group in Greece. ... 1790 was a common year starting on Friday (see link for calendar). ... With an area of 18,413 km² and a population of 4. ... September 26 is the 269th day of the year (270th in leap years) in the Gregorian Calendar, with 96 days remaining. ... 1868 was a leap year starting on Wednesday (see link for calendar). ... Map of Germany showing Leipzig Leipzig [ˈlaiptsɪç] (Polish; Sorbian/Lusatian: Lipsk) is the largest city in the federal state (Bundesland) of Saxony in Germany. ... A mathematician is a person whose area of study and research is mathematics. ... An astronomer or astrophysicist is a scientist whose area of research is astronomy or astrophysics. ...

He is best known for his discovery of the Möbius strip, a non-orientable two-dimensional surface with only one side when immersed in three-dimensional Euclidean space. It was independently discovered by Johann Benedict Listing at about the same time. Möbius was the first to introduce homogeneous coordinates into projective geometry. Möbius transformations, important in projective geometry, and not to be confused with the Möbius transform of number theory, also bear his name. His interest was also in number theory, and the important Möbius function μ(n) and the Möbius inversion formula are named after him. A Möbius strip made with a piece of paper and tape. ... Johann Benedict Listing (born July 25, 1808, died December 24, 1882) was a German mathematician. ... In mathematics, homogeneous co-ordinates, introduced by August Ferdinand Möbius, make calculations possible in projective space just as Cartesian co-ordinates do in Euclidean space. ... In a historical perspective on mathematics, the field of geometry that developed in the first half of the nineteenth century under the name projective geometry was a stepping stone from analytic geometry to algebraic geometry. ... Geometry In mathematics, a Möbius transformation, also called a homographic function, is a conformal mapping that is a bijection on the extended complex plane (that is, the complex plane augmented by the point at infinity, written ∞.) It is named in honor of August Ferdinand Möbius. ... The Möbius transform should not be confused with Möbius transformations. ... Traditionally, number theory is that branch of pure mathematics concerned with the properties of integers. ... The classical Möbius function is an important multiplicative function in number theory and combinatorics. ... The classic Möbius inversion formula was introduced into number theory during the 19th century by August Ferdinand Möbius. ...

He was a descendant of Martin Luther. Martin Luther (originally Martin Luder or Martinus Luther) (November 10, 1483–February 18, 1546) was a German theologian and an Augustinian monk whose teachings inspired the Protestant Reformation and deeply influenced the doctrines of Lutheran, Protestant and other Christian traditions (a broad movement composed of many congregations and church bodies). ...

The character of Johann Wilhelm Möbius - a particular scientist who tries to evade his own inventions by pretending to be insane - in Dürrenmatt's satiric drama The Physicists is named after him. So is the asteroid 28516 Möbius. Friedrich Dürrenmatt (January 5, 1921 – December 14, 1990) was a Swiss author and dramatist. ... Die Physiker (The Physicists) is a satiric drama often recognized to be the most impressive, yet easily to understand work by Dürrenmatt. ... An asteroid is a small, solid object in our Solar System, orbiting the Sun. ...



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